Jalilah Abd Jalil
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Preferred name
Jalilah Abd Jalil
Official Name
Abd Jalil, Jalilah
Alternative Name
Jalilah, A. J.
Jalil, J. A
Jalilah, Abd Jalil
Jalil, Jalilah Abd
Abd Jalil, Jalilah
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Scopus Author ID
56946938300
Researcher ID
EJZ-9130-2022

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Effect of dispersibility of graphene nanoplatelets on the properties of natural rubber latex composites using sodium dodecyl sulfate

2022-01-01 , Che W.M. , Teh Pei Leng , Yeoh Cheow Keat , Jalilah Abd Jalil , Lim Bee Ying , Rasidi M.S.M.

Natural rubber latex/graphene nanoplatelet (NRL/GNP) composites containing GNP-pristine and GNP-SDS were prepared by a simple mechanical mixing method. The main objective was to study the effect of dispersibility of GNP on the properties in NRL. X-ray diffraction confirmed the adsorption of sodium sulfate dodecyl (SDS) on the GNP surface. The results showed that high filler loading diminished the physical and mechanical properties of the composites but successfully endured to satisfy electrical conductivity to the NRL/GNP composites. Besides, the SDS surfactant-filled system demonstrated better physical, tensile, electrical, and thermal stability properties than the GNP-pristine. The intercalated and dispersed GNP-SDS increased the number of routes for stress and heat transfer to occur and facilitated the formation of conductive pathways as well, leading to the improvement of the properties as compared to NRL/GNP-pristine composites. However, as the GNP-SDS loading exceeded 5 phr, the GNP-SDS localized in the interstitial layer of NRL, restricted the formation of crosslinking, and interfered with the strain-induced crystallization ability of the composites.

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The effect of liquid silicone rubber content on the properties of filled and unfilled natural rubber latex/liquid silicone rubber blend (NRL/LSR)

2022-05-18 , Ming C.W. , Teh Pei Leng , Jalilah Abd Jalil , Yeoh Cheow Keat , Lim J.H.

Polymer blend is known as the simplest method to obtain a new material by just blending two or more materials with suitable mixing technique. Most of the material engineers play their effort to improve the compatibility and miscibility of the blend components since this gives significant effect on the properties of the resulting materials. However, some of the creative engineers used the shortage of the immiscible blend material in the electronic application by inducing the double percolation with the aim to improve the electrical conductivity of the inherently insulating polymeric materials and at the same time conserve the attractive properties of the polymeric matrix. Herein, unfilled NRL/LSR and filled NRL/LSR with 7phr of GNP-SDS blend materials were prepared in order to investigate the effect of LSR content on the crosslink density, tensile properties, tear strength and electrical properties of the blend materials. It was found that the physical and mechanical properties of the materials declined with the increasing LSR content. Nevertheless, the modulus and the electrical properties of the filled NRL/LSR have been improved.

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